Here are two examples of the devices that attach to shooting glasses, as used in competitive shooting, that work like the stock wrist and bolt cocking piece peep sights.

http://www.brownells.com/shooting-access...-prod19702.aspx

http://www.brownells.com/shooting-access...t-prod8767.aspx

These devices are used to sharpen the focus of iron sights, to help remove the "fuzziness".

I should have said in my first that this rifle is a beautiful build.

Vlad